Gustavus Detlef Hinrichs
Gustavus Detlef Hinrichs was a chemist and natural philosopher most widely known for his findings on periodic laws within the chemical elements.
Hinrichs was born in 1836 at Lunden, Holstein, part of the German Confederation which at that time belonged to Denmark. He attended the local polytechnic school and the University of Copenhagen. During his schooling he published several articles and books, including descriptions of the magnetic field of earth and its interaction with the aether.
Source: Wikipedia